[CentOS] Re: How to size an email server to handle 5 million emails per day
Christopher Chan
christopher at ias.com.hkFri Jan 4 08:24:00 UTC 2008
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Bill Campbell wrote: > On Thu, Jan 03, 2008, Joshua Gimer wrote: >> I can only talk from experience; we are currently doing spam and anti- >> virus checks in our inbound flow of around 600,000 messages per day. >> To do this we have three inbound SMTP gateways running Sophos >> Puremessage with Sendmail as the MTA.. These systems are quad proc >> systems with 6 to 8 GB of ram. This is still not enough to handle the >> inbound flow efficiently at our organization. > > We have a system that handles similar quantities of incoming mail with a > single incoming MX server running postfix, amavisd, and clamav to do anti- > virus checking only, passing clean messages to a cluster of five machines > which do spamassassin checking and delivery into Maildir folders NFS > mounted on a central machine using LDAP authentication on the cluster > machines. I wonder if you have tried postfix + clamav via clamav-milter in any testing for potential system upgrades?
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